From 2af2a4fff838ef7f84a357252ab3afe8d8359b68 Mon Sep 17 00:00:00 2001
From: Tomoyuki Sahara <tsahara@iij.ad.jp>
Date: Tue, 21 Jun 2016 09:49:34 +0900
Subject: add IO#isatty and IO#tty?

---
 mrblib/io.rb | 1 +
 1 file changed, 1 insertion(+)

(limited to 'mrblib')

diff --git a/mrblib/io.rb b/mrblib/io.rb
index 755dbbf6d..9644c2396 100644
--- a/mrblib/io.rb
+++ b/mrblib/io.rb
@@ -367,6 +367,7 @@ class IO
   end
 
   alias_method :to_i, :fileno
+  alias_method :tty?, :isatty
 end
 
 STDIN  = IO.open(0, "r")
-- 
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